Finding the Fourth Proportional to 86,941.58, 131,082.83 and 86,401.83

Step by Step Solution

1. Step 1: Write the proportion equation
   86,941.58 : 131,082.83 = 86,401.83 : x
2. Step 2: Convert to fraction form
   86,941.58/131,082.83 = 86,401.83/x
3. Step 3: Cross multiply
   86,941.58x = 131,082.83 × 86,401.83
4. Step 4: Simplify right side
   86,941.58x = 11,325,795,961.57
5. Step 5: Solve for x
   x = 11,325,795,961.57/86,941.58
6. Step 6: Final answer
   x = 130,269.05